When the Loma Prieta earthquake struck San Francisco in 1989, it gutted the Marina neighborhood. While part of that was due to liquefaction effects caused by the area’s underlying landfill construction, the problem was exasperated by the area’s multiunit homes, which typically either had parking or shops built into the first floor. That’s great for home values, but not so much of the building’s structural integrity during a tremor, as you can see below.
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Getting old isn’t all it’s cracked up to be. Sure, you get a hefty discount at the Country Kitchen Buffet. But you also suffer from stuff like age-related macular degeneration (AMD), a retinal disease that afflicts more than 10 million people a year in the US alone. There’s hope for the eyes of America’s elderly, though: A new pea-sized ocular implant can restore vision to the those who have lost it. More »